.acticity
  display: flex
  justify-content: space-between
  align-items: center
  font-size: 14PX
  height: 30PX
  width: 100%
  bottom: 0
  position: absolute
  background-color: #fff
  >.type
    padding: 5px 10px
    background-color: #f00
    color: #fff
    margin-left: 10PX
  >.length
    margin-right: 10PX